Polymer80 PF940v2™ 80% Full Size Frame and Jig Kit (Glock…

Ready to Build Your Own Full-Size 9mm Platform?

You’ve been thinking about a custom build for a while now. Maybe you want something that fits your hand just right, or you’re looking for a project that teaches you the ins and outs of your firearm. The question is, where do you start with a reliable foundation that won’t let you down when it matters?

Imbertsmithersarms is a Grand Forks, ND-based retailer specializing in firearms, parts, and gear for the practical shooter. The Polymer80 PF940v2™ 80% Full Size Frame and Jig Kit provides the core component for building a custom, full-size 9mm handcrafted pistol. This kit is engineered for the builder who values a proven platform and a hands-on process. It’s in stock and ready to ship today for $220.99.

Why This Polymer80 Frame is a Smart Choice for Your Build

After over a decade in this business and handling more frames than I can count, I see a lot of folks come in looking for their first 80% project. They often get overwhelmed by cheap options that promise the world. The PF940v2 is different. It’s not the flashiest product on the shelf, but it’s the one I’d recommend to a friend who wants to do it right the first time. It’s built on the same overall dimensions and geometry as the factory frame it’s modeled after, which means proven reliability. The included jig is robust and precise—you’re not fighting a flimsy piece of plastic while you’re trying to drill clean holes. For the hunter or shooter who appreciates a tool that works, this kit removes the guesswork and gives you a solid starting point. It’s about building something you can trust, whether it’s for a day in the field or as part of your concealed carry lifestyle.

Polymer80 PF940v2™ 80% Full Size Frame and Jig Kit Specifications

How Does the Polymer80 PF940v2 Stack Up?

Let’s be real—you have options. I’ve set up enough e-commerce filters to know price is a big factor, but so is what you’re actually getting. Here’s a straightforward look at how this kit compares to what else is out there.

Feature	Polymer80 PF940v2	Budget Import Kit (~$60-80)	Premium Machined Aluminum Frame (~$250+)
Material	Fiber-Reinforced Polymer	Basic Polymer (Often Unspecified)	6061 or 7075 Aluminum
Quality / Fit	Precision molded, includes steel rails. Known for good OEM parts fitment.	Inconsistent. Often requires significant fitting of parts.	Excellent. CNC machined for tight tolerances.
Compatibility	Designed for Gen 3 Glock® parts. Widely tested.	May claim compatibility, but often has proprietary rail designs.	Typically designed for specific Gen 3 or Gen 4 parts sets.
Shipping	Same-day from Grand Forks, ND.	Long lead times from overseas.	Varies; often from specialty shops.
Lifespan / Durability	Proven track record. Polymer is impact-resistant and durable for typical use.	Unknown. Polymer quality is a major question mark.	Extremely durable and rigid. Heavier than polymer.
Price	$220.99	$60 – $80	$250 – $400+

The takeaway? The budget kit might save you money upfront, but you’ll likely spend it—and more—on time, frustration, and replacement parts. The premium aluminum frame is fantastic for a specific, heavy-use build but comes at a much higher cost. The Polymer80 PF940v2 sits right in that sweet spot: proven quality without the premium price tag, making it a smart, budget-conscious choice for most builders.

The Honest Pros and Cons

Based on my experience and customer feedback, here’s the straight talk.

Pros:

• ✅ Proven Platform: Built to the same specs as the widely trusted factory frame it’s modeled on.
• ✅ Quality Jig Included: The metal-reinforced jig is solid and makes the drilling/milling process much more accurate for a first-timer.
• ✅ Excellent Ergonomics: The textured grip and undercut trigger guard are a noticeable improvement for most shooters over the standard profile.
• ✅ Wide Parts Compatibility: Uses readily available Gen 3 components, so you’re not hunting for obscure parts.
• ✅ U.S. Made & Supported: You’re buying from a known manufacturer with a reputation to uphold.

Cons:

• ❌ Requires Tools & Skill: This is an 80% frame. You need a drill, a hand router or Dremel, and some patience. If that’s not your thing, a complete pistol might be a better fit.
• ❌ Polymer Feel: It’s a high-quality polymer, but it’s still polymer. If you absolutely must have the heft and rigidity of metal, you’ll want to look at our machined frames.
• ❌ No Serial Number: This is a feature for many, but it’s a con for others. You are the manufacturer. Know your local and federal laws regarding home-built firearms.

Who Should (and Shouldn’t) Buy This Kit

Buy the Polymer80 PF940v2 if:

• You’re a hands-on shooter who wants to understand and customize your firearm from the ground up.
• You want a reliable, full-size 9mm platform for competition, home defense, or the range.
• You appreciate the ergonomic improvements of a custom frame but want to keep the build budget-conscious.
• You’re comfortable with basic tools and following instructional videos (we’ve linked some below).

Skip the Polymer80 PF940v2 if:

• You want a ready-to-shoot firearm out of the box. (Check out our complete handguns instead).
• You are not familiar with or comfortable adhering to all federal, state, and local laws regarding firearm manufacturing.
• You require a metal frame for specific competition rules or personal preference.
• You don’t have access to basic workshop tools like a drill press or rotary tool.

Have Concerns? Let’s Address Them.

Q: Is this legal to buy and build?
A: At the federal level, yes. An 80% frame or receiver is not considered a firearm. However, you become the manufacturer when you complete it. It is your responsibility to know and comply with all state and local laws. We cannot ship to jurisdictions where these items are prohibited.

Q: How difficult is the build process?
A: With the right tools and by following the instructions, it’s a manageable project for someone with basic mechanical aptitude. The included jig is key. The most critical steps are drilling the pin holes squarely and evenly milling the recoil spring channel. Take your time.

Q: What tools do I absolutely need?
A> At a minimum: a vise, a drill (drill press highly recommended), drill bits (often included with tool kits), and a rotary tool (like a Dremel) with milling bits. A set of files and sandpaper for finishing touches is also a good idea.

Frequently Asked Questions

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